nlp_compromise - NLP tool for understanding, changing & playing w/ english.
spaCy - spaCy is a library for advanced natural language processing in Python and Cython.
JAICP - JAICP (Just AI Conversational Platform) is a full-fledged conversational platform: scalable, NLP-powered, and secured. Build chatbots, voice assistants, smart devices in the snap of a finger
NLP Cloud - High performance AI models, ready for production, served through a REST API. Fine-tune and deploy your own models. Easily use generative AI in production.
Sentigrade - A sentiment analysis API for customer surveys
TextBlob - Natural Language Processing (NLP)